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Inventor

Junji Kajiwara

Inventor
Kadoma, JP

Overview

3→
Patents
1976–2003
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them40%
B41JTypewriters20%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
PatentTitleYear
6,548,813'Object-to-be-printed detector and print detecting method'20033,974,509'Automatic exposure control circuit for a camera'19763,968,502'Electric shutter circuit'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1976Patents assigned to KONISHIROKU PHOTO IND (1)· patent assignee history
1976Based in Kadoma, JP· patent location history
2003Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21976–2003
KONISHIROKU PHOTO IND11976
Locations
LocationPatentsSpan
Kadoma, JP21976
Osaka, JP12003